1425434 has 4 divisors (see below), whose sum is σ = 2138154. Its totient is φ = 712716.

The previous prime is 1425427. The next prime is 1425439. The reversal of 1425434 is 4345241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4345241 = 173 ⋅25117.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 494209 = 965^2 + 703^2 .

It is not an unprimeable number, because it can be changed into a prime (1425439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356357 + ... + 356360.

2^1425434 is an apocalyptic number.

1425434 is a deficient number, since it is larger than the sum of its proper divisors (712720).

1425434 is an equidigital number, since it uses as much as digits as its factorization.

1425434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712719.

The product of its digits is 1920, while the sum is 23.

The square root of 1425434 is about 1193.9154073886. The cubic root of 1425434 is about 112.5422787594.

The spelling of 1425434 in words is "one million, four hundred twenty-five thousand, four hundred thirty-four".